Every year in France, fine particle pollution (particles with a diameter of less than 2.5 micrometres 1 ) leads to the premature death of around 40,000 people. The associated cost is estimated at €100 billion per year. Despite this, public policies to combat air pollution are generally implemented without first assessing their future health and economic impacts. The MobilAir project attempts to address this problem by identifying specific policies that would meet the health objectives set by decision-makers in the Grenoble conurbation, namely, a 67% reduction in the mortality rate associated with fine particles from 2016 to 2030. A cost-benefit analysis of various options was carried out by a collaboration involving the Grenoble Applied Economics Lab (CNRS / INRAE / UGA), the Institute for Advanced Biosciences (INSERM / CNRS / UGA), the Centre for Economics and Sociology applied to Agriculture and Rural Areas (AgroSup Dijon / INRAE) and Atmo Auvergne-Rhône-Alpes. The team targeted the two local sectors that emit the most fine particles: wood heating and transport. They show that the health objectives can be met by combining two measures: replacing all inefficient wood heaters by modern pellet stoves, and reducing personal motor vehicle traffic within the conurbation by 36%.
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